Home / 505,636,045.24-758,454,069.70-142,130,401.24

Finding the Fourth Proportional to 505,636,045.24, 758,454,069.70 and 142,130,401.24

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Solution

The fourth proportional to 505,636,045.24, 758,454,069.70 and 142,130,401.24 is: 213,195,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,636,045.24 : 758,454,069.70 = 142,130,401.24 : x
  2. Step 2: Convert to fraction form
    505,636,045.24/758,454,069.70 = 142,130,401.24/x
  3. Step 3: Cross multiply
    505,636,045.24x = 758,454,069.70 × 142,130,401.24
  4. Step 4: Simplify right side
    505,636,045.24x = 107,799,381,248,571,936
  5. Step 5: Solve for x
    x = 107,799,381,248,571,936/505,636,045.24
  6. Step 6: Final answer
    x = 213,195,602.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.